Home / 1,038,109.40-1,557,164.10-1,017,114.20

Finding the Fourth Proportional to 1,038,109.40, 1,557,164.10 and 1,017,114.20

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Solution

The fourth proportional to 1,038,109.40, 1,557,164.10 and 1,017,114.20 is: 1,525,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,109.40 : 1,557,164.10 = 1,017,114.20 : x
  2. Step 2: Convert to fraction form
    1,038,109.40/1,557,164.10 = 1,017,114.20/x
  3. Step 3: Cross multiply
    1,038,109.40x = 1,557,164.10 × 1,017,114.20
  4. Step 4: Simplify right side
    1,038,109.40x = 1,583,813,717,840.22
  5. Step 5: Solve for x
    x = 1,583,813,717,840.22/1,038,109.40
  6. Step 6: Final answer
    x = 1,525,671.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.